Update coverage.yml -> newer actions versions

.github/workflows/coverage.yml

@@ -5,15 +5,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.10
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
       - name: Install dependencies
         run: pip install -r requirements.txt
       - name: Run tests and collect coverage
         run: pytest --cov=build123d
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4